There are
455 mi
from Sioux Falls, SD to Bettendorf, IA
That's the driving distance. It would take 8 hours 13 mins to go from Sioux Falls, South Dakota to Bettendorf, Iowa.
The flight distance (direct flight from Sioux Falls, SD to Bettendorf, IA) is 345.09 mi.
455 mi = 732.20 kms